References
- Askarian H, Akhavan A, Manolii VP, Cao T, Hwang SF, Strelkov SE. 2021. Virulence spectrum of single-spore and field isolates of Plasmodiophora brassicae able to overcome resistance in canola (Brassica napus). Plant Dis. 105:43–52. doi:https://doi.org/10.1094/PDIS-03-20-0471-RE.
- Canola Watch. 2019. List of clubroot-resistant canola varieties [Internet]. [accessed 2021 Jan 1]. https://www.canolawatch.org/2019/01/10/list-of-clubroot-resistant-canola-varieties/
- Fu H, Yang Y, Mishra V, Zhou Q, Zuzak K, Feindel D, Harding MW, Feng J. 2020. Most Plasmodiophora brassicae populations in single canola root galls from Alberta fields are mixtures of multiple strains. Plant Dis. 104:116–120. doi:https://doi.org/10.1094/PDIS-06-19-1235-RE.
- Gossen BD, Strelkov SE, Manolii VP, Rennie DC, Cao T, Hwang SF, Peng G, McDonald MR. 2015. Spread of Plasmodiophora brassicae on canola in Canada, 2003–2014: old pathogen, new home. Can J Plant Pathol. 37:403–413. doi:https://doi.org/10.1080/07060661.2015.1105871.
- Haudenshield JS, Hartman GL. 2015. Archaeophytopathology of Phakopsora pachyrhizi, the soybean rust pathogen. Plant Dis. 99:575–579. doi:https://doi.org/10.1094/PDIS-07-14-0772-SR.
- Hollman K, Hwang SF, Manolii VP, Strelkov SE. 2020. Pathotypes of Plasmodiophora brassicae collected from clubroot resistant canola (Brassica napus L.) cultivars in western Canada in 2017–2018. Can J Plant Pathol. (in press). doi:https://doi.org/10.1080/07060661.2020.1851893.
- Holtz MD, Hwang SF, Manolii VP, Strelkov S, Strelkov SE. 2021. Development of molecular markers to identify distinct populations of Plasmodiophora brassicae. Eur J Plant Pathol. 159:637–654. doi:https://doi.org/10.1007/s10658-020-02194-4.
- Holtz MD, Hwang SF, Strelkov SE. 2018. Genotyping of Plasmodiophora brassicae reveals the presence of distinct populations. BMC Genomics. 19:254. doi:https://doi.org/10.1186/s12864-018-4658-1.
- Jones DR, Ingram DS, Dixon GR. 1982. Characterization of isolates derived from single resting spores of Plasmodiophora brassicae and studies of their interaction. Plant Pathol. 31(3):239–246. doi:https://doi.org/10.1111/j.1365-3059.1982.tb01274.x.
- LeBoldus JM, Manolii VP, Turkington TK, Strelkov SE. 2012. Adaptation to Brassica host genotypes by a single-spore isolate and population of Plasmodiophora brassicae (clubroot). Plant Dis. 96:833–838. doi:https://doi.org/10.1094/PDIS-09-11-0807.
- Markell S, Chapara V, Del Rio Mendoza L 2018. Clubroot of Canola Alert (08/30/18) [Internet]. [accessed 2021 Jan 1]. https://www.ag.ndsu.edu/cpr/plant-pathology/clubroot-of-canola-alert-08-30–18
- Monsanto Biotechnology Regulatory Sciences. 2004. A recommended procedure for real-time quantitative TaqMan PCR for roundup ready canola RT73. [accessed 2018 Aug 1]. http://gmo-crl.jrc.ec.europa.eu/detectionmethods/MON-Art47-pcrGT73rapeseed.pdf
- Rempel CB, Hutton SN, Jurke CJ. 2014. Clubroot and the importance of canola in Canada. Can J Plant Pathol. 36 sup1:19–26. doi:https://doi.org/10.1080/07060661.2013.864336.
- Scott ES. 1985. Production and characterization of single-spore isolates of Plasmodiophora brassicae. Plant Pathol. 34(2):287–292. doi:https://doi.org/10.1111/j.1365-3059.1985.tb01361.x.
- Sedaghatkish A, Gossen BD, Yu F, Torkamaneh D, McDonald MR. 2019. Whole-genome DNA similarity and population structure of Plasmodiophora brassicae strains from Canada. BMC Genomics. 20(1):744. doi:https://doi.org/10.1186/s12864-019-6118-y.
- Staats M, Cuenca A, Richardson JE, Vrielink-van Ginkel R, Petersen G, Seberg O, Bakker FT. 2011. DNA damage in plant herbarium tissue. PLoS ONE. 6:e28448. doi:https://doi.org/10.1371/journal.pone.0028448.
- Strelkov SE, Hwang SF. 2014. Clubroot in the Canadian canola crop: 10 years into the outbreak. Can J Plant Pathol. 36:27–36. doi:https://doi.org/10.1080/07060661.2013.863807.
- Strelkov SE, Hwang SF, Manolii VP, Cao T, Feindel D. 2016. Emergence of new virulence phenotypes of Plasmodiophora brassicae on canola (Brassica napus) in Alberta, Canada. Eur J Plant Pathol. 145:517–529. doi:https://doi.org/10.1007/s10658-016-0888-8.
- Strelkov SE, Hwang SF, Manolii VP, Cao T, Fredua-Agyeman R, Harding MW, Peng G, Gossen BD, Mcdonald MR, Feindel D. 2018. Virulence and pathotype classification of Plasmodiophora brassicae populations collected from clubroot resistant canola (Brassica napus) in Canada. Can J Plant Pathol. 40:284–298. doi:https://doi.org/10.1080/07060661.2018.1459851.
- Strelkov SE, Manolii VP, Harding MW, Daniels G, Nuffer P, Aigu Y, Hwang SF. 2020. The occurrence and spread of clubroot on canola in Alberta in 2019. The Canadian Phytopathological Society Canadian Plant Disease Survey: disease Highlights 2019. Can J Plant Pathol. 42(S1):117–120.
- Tewari JP, Strelkov SE, Orchard D, Hartman M, Lange RM, Turkington TK. 2005. Identification of clubroot of crucifers on canola (Brassica napus) in Alberta. Can J Plant Pathol. 27:143–144. doi:https://doi.org/10.1080/07060660509507206.
- Williams PH. 1966. A system for the determination of races of Plasmodiophora brassicae that infect cabbage and rutabaga. Phytopathology. 56:624–626.
- Wu G, Zhang L, Wu Y, Cao Y, Lu C. 2010. Comparison of five endogenous reference genes for specific PCR detection and quantification of Brassica napus. J Agric Food Chem. 58:2812–2817. doi:https://doi.org/10.1021/jf904255b.
- Xue S, Cao T, Howard RJ, Hwang SF, Strelkov SE. 2008. Isolation and variation in virulence of single-spore isolates of Plasmodiophora brassicae from Canada. Plant Dis. 92:456–462. doi:https://doi.org/10.1094/PDIS-92-3-0456.
- Zhou Q, Hwang SF, Strelkov SE, Fredua-Agyeman R, Manolii VP. 2018. A molecular marker for the specific detection of new pathotype 5-like strains of Plasmodiophora brassicae in canola. Plant Pathol. 67:1582–1588. doi:https://doi.org/10.1111/ppa.12868.